Rollable display apparatus

ABSTRACT

A rollable display apparatus including a main body portion extending in a length direction and including a metallic material. The rollable display apparatus further includes a flexible display panel protruding from an outer surface of the main body portion. A portion of the flexible display panel is connected to the main body portion. The rollable display apparatus additionally includes a support portion. The flexible display panel is attached to a first surface of the support portion, and the support portion includes an extension portion extending from the support portion and beyond an edge of the flexible display panel, and the extension portion includes a magnet that attaches the flexible display panel to the main body portion.

CROSS-REFERENCE TO RELATED APPLICATION

This application claims priority under 35 U.S.C. § 119 to Korean PatentApplication No. 10-2016-0076034 filed on Jun. 17, 2016 in the KoreanIntellectual Property Office, the disclosure of which is incorporated byreference herein in its entirety.

TECHNICAL FIELD

One or more exemplary embodiments of the present inventive conceptrelate to a display apparatus, and more particularly, to a rollabledisplay apparatus.

DISCUSSION OF THE RELATED ART

Since the development of portable electronic devices, such assmartphones, interest in display apparatuses that can provideconvenience in portability and storage have also developed along with aninterest in display apparatuses that are bigger in size and have highresolution. Accordingly, a display apparatus of which a screen can beexpanded, and can be reduced in volume by being folded or rolled whenbeing carried or stored, has been developed.

SUMMARY

According to an exemplary embodiment of the present inventive concept, arollable display apparatus including a main body portion extending in alength direction and including a metallic material. The rollable displayapparatus further includes a flexible display panel protruding from anouter surface of the main body portion. A portion of the flexibledisplay panel is connected to the main body portion. The rollabledisplay apparatus additionally includes a support portion. The flexibledisplay panel is attached to a first surface of the support portion, andthe support portion includes an extension portion extending from thesupport portion and beyond an edge of the flexible display panel, andthe extension portion includes a magnet that attaches the flexibledisplay panel to the main body portion.

According to an exemplary embodiment of the present inventive concept, arollable display apparatus including a flexible display panel. Therollable display apparatus further includes a main body portionincluding a metallic material and a through-hole that extends in alength direction of the main body portion so that the flexible displaypanel penetrates therethrough, and having a column shape extending inthe length direction. The rollable display apparatus additionallyincludes a roller disposed in the main body portion, to receive theflexible display panel spirally wind through the through-hole. Theflexible display panel is attached to a surface of a support portion;the support portion includes an extension portion extending from thesupport portion and beyond an edge of the flexible display. The edge ofthe flexible display panel extends along the length direction of themain body portion. The extension portion includes a magnet that attachesthe flexible display panel to the main body portion.

According to an exemplary embodiment of the present inventive concept, arollable display apparatus including a main body portion and a flexibledisplay panel connected to the main body portion. The rollable displayapparatus further includes a plurality of support portions. The flexibledisplay panel is attached to a first surface of each support portion ofthe plurality of support portions. A thickness of each support portionis less than a thickness of the main body portion. The rollable displayapparatus additionally includes a joint portion disposed between eachsupport portion of the plurality of support portions.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 schematically illustrates a rollable display apparatus accordingto an exemplary embodiment of the present inventive concept;

FIG. 2 is a side view of the rollable display apparatus of FIG. 1;

FIG. 3 schematically shows the flexible display panel of the rollabledisplay apparatus of FIG. 1, being combined with a main body portion;

FIG. 4 is a side view of the rollable display panel of the rollabledisplay apparatus of FIG. 2, spirally wound along a first direction;

FIG. 5 is a perspective view of the rollable display apparatus of FIG.4;

FIG. 6 schematically illustrates a part of a flexible display panel ofthe rollable display apparatus, spirally wound by a joint portionaccording to an exemplary embodiment of the present inventive concept;

FIG. 7 illustrates the joint portion of FIG. 6;

FIG. 8 schematically illustrates a rollable display apparatus accordingto an exemplary embodiment of the present inventive concept;

FIG. 9 is a schematic perspective view of a flexible display panel ofthe rollable display apparatus of FIG. 8, spirally wound along a firstdirection;

FIG. 10 schematically illustrates a rollable display apparatus accordingto an exemplary embodiment of the present inventive concept;

FIG. 11 schematically illustrates a rollable display apparatus accordingto an exemplary embodiment of the present inventive concept;

FIG. 12 is a side view of a flexible display panel of the rollabledisplay apparatus of FIG. 10 or FIG. 11;

FIG. 13 schematically illustrates a rollable display apparatus accordingto an exemplary embodiment of the present inventive concept;

FIG. 14 schematically illustrates a rollable display apparatus accordingto an exemplary embodiment of the present inventive concept; and

FIG. 15 schematically illustrates a flexible display panel of therollable display apparatus of FIG. 13 or FIG. 14, spirally wound along afirst direction.

DETAILED DESCRIPTION OF THE EMBODIMENTS

Exemplary embodiments of the present inventive concept will be describedmore fully hereinafter with reference to the accompanying drawings.

The drawings and description are to be regarded as illustrative innature and not restrictive. Reference numerals that are similar oridentical may designate similar or identical elements or featuresthroughout the specification and drawings.

In the drawings, the thickness of layers, films, panels, regions, etc.,may be exaggerated for clarity. In addition, in the drawings, for betterunderstanding and ease of description, the thickness of some layers andareas may be exaggerated. It will be understood that when an elementsuch as a layer, film, region, or substrate is referred to as being “on”another element, it may be directly on the other element or interveningelements may also be present.

FIG. 1 schematically illustrates a rollable display apparatus 100according to an exemplary embodiment of the present inventive concept,and FIG. 2 is a side view of the rollable display apparatus 100 ofFIG. 1. Further, a side view may be a view from a direction that isparallel with a length direction LD of a main body portion 110.

As shown in FIG. 1 and FIG. 2, the rollable display apparatus 100 of anexemplary embodiment of the present inventive concept includes a mainbody portion 110, a flexible display panel 120, a support portion 130,and an extension portion 140.

The main body portion 110 may include a power source portion and acontroller, and supplies power to the flexible display panel 120 andcontrols an image or a video to be displayed on the flexible displaypanel 120.

The main body portion 110 is formed in the shape of a column that isextended in the length direction LD. For example, the main body portion110 could have a cylindrical shape or polygonal shape. However,exemplary embodiments of the present inventive concept are not limitedthereto. The flexible display panel 120 is spirally wound around themain body portion 110 and then mounted on an exterior surface of themain body portion 110. In this case, a cross-section of the main bodyportion 110, perpendicular to the length direction LD of the main bodyportion 110, may have a polygonal shape of which corners are rounded.For example, the main body portion 110 may have a shape of a quadrangleof which corners are rounded as shown in FIG. 1 and FIG. 2.

A fingerprint input portion 112 that receives a fingerprint of a userand controls power or operation of the rollable display apparatus may beincluded in one end side or lateral sides of the main body portion 110.The fingerprint input portion 112 may scan an input fingerprint of theuser and compare the scanned fingerprint with a predeterminedfingerprint. When the two fingerprints are determined to be the same, itgenerates an electric signal that is transmitted to the power sourceportion and the controller for driving the rollable display apparatus100.

The flexible display panel 120 extends by protruding from an exteriorsurface of the main body portion 110, and may be mounted on the exteriorsurface of the main body portion 110 by being spirally wound around theexterior surface of the main body portion 110. For example, a portion ofthe flexible display panel 120 may be inside the main body portion 110and fixed to the inside thereof. For example, the spiral winding of theflexible display panel 120 may be manually performed by the user, or maybe automatically performed by using a mechanical configuration.

The flexible display panel 120 may be mounted on the exterior surface ofthe main body portion 110 when spirally wound as described above, andthe flexible display panel 120 may be fixed to the main body portion 110by a magnet 142 of the extension portion 140. This will be described indetail later.

The flexible display panel 120 according to an exemplary embodiment ofthe present inventive concept may be a display panel including anorganic light emitting display element, but exemplary embodiments of thepresent inventive concept are not limited thereto. For example, theflexible display panel 120 may include a liquid crystal display anddisplay elements that are typically used for displaying an image.

FIG. 3 schematically illustrates a state in which the flexible displaypanel 120 of the rollable display apparatus 100 of FIG. 1 is combinedwith the main body portion 110. As shown in FIG. 3, the flexible displaypanel 120 extends beyond the main body portion 110 by protruding fromthe exterior surface of the main body portion 110. For example, an endof the flexible display panel 120 may be attached to the main bodyportion 110. In the flexible display panel 120, a display area 122 wherean image is displayed is exposed to an outside of the main body portion110 such that visual information of the image can be displayed to theuser. In addition, to transmit power and an electric signal transmittedfrom the power source portion and the controller of the main bodyportion 110 to the display area 122, a peripheral area 124 that includesconfigurations such as a driving circuit chip 125 and a flexible printedcircuit board 126 may be disposed in the main body portion 110.

The flexible display panel 120 is attached to a surface of the supportportion 130 (e.g., as shown in FIG. 1) to support the flexible displaypanel 120 when the flexible display panel 120 is unrolled from the mainbody portion 110. Further, the support portion 130 may have arectangular shape with rounded corners or sharp corners. For example,the flexible display panel 120 may be disposed on the support portion130.

In an exemplary embodiment of the present inventive concept, the supportportion 130 may be formed of a material with a rigidity stronger thanthat of the flexible display panel 120, such as a metallic material.Further, the support portion 130 may be formed of a flexible materialthat has a stronger rigidity than that of the flexible display panel120. However, exemplary embodiments of the present inventive concept arenot limited thereto.

Since the support portion 130 has stronger rigidity than that of theflexible display panel 120, the flexible display panel 120 can be fixedin a flat position after being unrolled as shown in FIG. 2 if theflexible display panel 120 is supported by the support portion 130.Thus, the user can view an image on the display area 122 of the flexibledisplay panel 120 without distortion, and a touch-type signal input canbe accurately received and a corresponding response to the touch inputcan be effectively performed.

The extension portion 140 (e.g., refer to FIG. 1) is a portion thatextends from the support portion 130 and beyond an adjacent edge of theflexible display panel 120, and is integrally formed with the supportportion 130. For example, the extension portion 140 may extend beyond anedge, which extends in a direction perpendicular to length direction LD,of the flexible display panel 120. However, exemplary embodiments of thepresent inventive concept are not limited thereto. For example, anextension portion 140 of a support portion 130 furthest from the mainbody portion 110 may extend beyond an edge of the flexible display panel120 that extends in the length direction LD. The extension portion 140may include a magnet 142, and when the flexible display panel 120 isbeing spirally wound around the main body portion 110, the flexibledisplay panel 120 can be fixed to the main body portion 110 by amagnetic force of the magnet 142. Thus, the main body portion 110,according to an exemplary embodiment of the present inventive concept,may include a metallic material so as to fix the flexible display panel120 to the main body portion 110 by using the magnet 142.

According to an exemplary embodiment of the present inventive concept,there may be a plurality of the support portions 130 and, accordingly, aplurality of the extension portions 140 as shown in FIG. 1 and FIG. 2.The number of support portions 130 and extension portions 140 may varydepending on a length of the flexible display panel 120 that is spirallywound around the main body portion 110, the shape and size of the mainbody portion 110, the shape of spirally-wound flexible display panel120, or a method for spirally-winding the flexible display panel 120.Accordingly, one support portion 130 may include one extension portion140, and a number of pairs of support portions 130 and extensionportions 140 may be greater than or less than four pairs of supportportions 130 and extension portions 140 shown in FIG. 1 and FIG. 2.

Further, in an exemplary embodiment of the present inventive concept, amagnet 142 may be disposed in an extension portion 140 or in a pluralityof extension portions 140.

FIG. 4 and FIG. 5 illustrate a state where the flexible display panel120 according to an exemplary embodiment of the present inventiveconcept is spirally wound around the main body portion 110 and, thus,fixed thereto. For example, FIG. 4 shows a state where the flexibledisplay panel 120 of the rollable display apparatus 100 of FIG. 2 isspirally wound along a first direction D1 (e.g., refer to FIG. 1 andFIG. 2), which is viewed from a direction that is parallel with thelength direction LD of the main body portion 110, and FIG. 5 is aperspective view of the rollable display apparatus 100 of FIG. 4 in thespirally wound state.

As shown in FIG. 4 and FIG. 5, when the flexible display panel 120according to an exemplary embodiment of the present inventive concept isspirally wound around the outer surface of the main body portion 110along the first direction D1, an end portion of the flexible displaypanel 120 can be fixed to the outer surface of the main body portion 110by the magnet 142 included in the extension portion 140. For example, anextension portion 140 including the magnet 142 and furthest from themain body portion 110 may fix the flexible display panel 120 to theouter surface of the main body portion 110.

In FIG. 4 and FIG. 5, the flexible display panel 120 according to anexemplary embodiment of the present inventive concept is spirally woundaround the surface of the main body portion 110 along the firstdirection D1, but exemplary embodiments of the present inventive conceptare not limited thereto. The flexible display panel 120 according to anexemplary embodiment of the present inventive concept can be spirallywound around the main body portion 110 in opposite directions, and thus,the flexible display panel 120 can be spirally wound around the outersurface of the main body portion 110 along a second direction D2 (e.g.,refer to FIG. 1 and FIG. 2). For example, the first direction D1 may bea counterclockwise direction with respect to the main body portion 110,and the second direction D2 may be a clockwise direction with respect tothe main body portion 110.

When the flexible display panel 120 is spirally wound around the mainbody portion 110 along the first direction D1, a portion of the flexibledisplay panel 120 is exposed to the outer surface of the main bodyportion 110, and the remaining portion of the flexible display panel 120and the display area 122 are exposed to the outside of the main bodyportion 110 while the flexible display panel 120 is being spirally woundaround the main body portion 110. However, when the flexible displaypanel 120 is spirally wound along the second direction D2, the supportportion 130 rather than the flexible display panel 120 is exposed to theoutside such that the flexible display panel 120 may be protected. Theuser can select a spiral winding direction of the flexible display panel120.

Joint portions 150 are disposed between each support portion 130 of theplurality of support portions 130. The joint portion 150 is disposedbetween the support portions 130 having rigidity to assist the spiralwinding of the flexible display panel 120.

FIG. 6 and FIG. 7 schematically illustrate the joint portion 150according to an exemplary embodiment of the present inventive concept.FIG. 6 schematically illustrates a part of the spirally-wound flexibledisplay panel 120 of the rollable display apparatus 100 by the jointportion 150 in a bent position, and FIG. 7 shows the joint portion 150in an unrolled state (e.g., a flat position).

As shown in FIG. 6 and FIG. 7, the joint portion 150 according to anexemplary embodiment of the present inventive concept has a multi-jointstructure, and thus, the joint portion 150 can be bent in the firstdirection D1 or the second direction D2. In addition, once the flexibledisplay panel 120 is completely unrolled and in a substantially flatposition, the flexible display panel 120 may be fixed so as to not bebent further, and when the flexible display panel 120 is being spirallywound again after being unrolled, the fixing is released so that thejoint portion 150 can be bent in the first direction D1 or the seconddirection D2. In an exemplary embodiment of the present inventiveconcept, the joint portion 150 may be locked when spirally wound aroundthe main body portion 110.

In an exemplary embodiment of the present inventive concept, a jointportion 150 may include a locking mechanism that locks the joint portion150 when in an unrolled state. When a force (e.g., a force greater thana force resulting from a touch input) is applied to the flexible displaypanel 120 in the first direction D1 or the second D2, the lockingmechanism may be unlocked and the flexible display panel 120 may bespirally-wound around the main body portion 110. However, exemplaryembodiments of the present inventive concept are not limited to thislocking method and arrangement.

FIG. 8 schematically illustrates a rollable display apparatus 100according to an exemplary embodiment of the present inventive concept,and FIG. 9 is a schematic perspective view of a flexible display panel120 of the rollable display apparatus 100 of FIG. 8, spirally woundalong a first direction D1. As shown in FIG. 8 and FIG. 9, the rollabledisplay apparatus 100 according to an exemplary embodiment of thepresent inventive concept includes a plurality of magnets 142 disposedin a plurality of extension portions 140.

According to an exemplary embodiment of the present inventive concept,each magnet 142 of the plurality of magnets 142 is disposed in eachextension portion 140 of the plurality of extension portions 140, andthus, the flexible display panel 120 can be firmly fixed when beingspirally wound around a main body portion 110. However, exemplaryembodiments of the present inventive concept are not limited thereto.For example, extension portions 140 nearest the main body portion 110and extension portions furthest from the main body portion 110 may eachinclude a magnet 142.

FIG. 10 shows a rollable display apparatus 100 according to an exemplaryembodiment of the present inventive concept, and FIG. 11 shows arollable display apparatus 100 according to an exemplary embodiment ofthe present inventive concept.

As shown in FIG. 10 and FIG. 11, in the rollable display apparatuses 100according to an exemplary embodiment of the present inventive concept, aflexible display panel 120 is extended, wrapped around an edge furthestfrom the main body portion 110, which extends in the length directionLD, of a support portion furthest from the main body portion 110.Further, the flexible display panel 120 is attached to a bottom surfaceof support portions 130, and connected to the main body portion 110. Inother words, the upper surface and bottom surface of the support portion130 are covered by the flexible display panel 120.

In an exemplary embodiment of the present inventive concept shown inFIG. 10, one pair of magnets 142 are disposed only in extension portions140 of the support portion 130 furthest from the main body portion 110among the plurality of support portions 130, and in an exemplaryembodiment of the present inventive concept shown in FIG. 11, the magnet142 is disposed in each extension portion 140 respectively included inthe plurality of support portions 130.

FIG. 12 illustrates a flexible display panel 120 of the rollable displayapparatus 100 of FIG. 10 or FIG. 11 viewed from a direction that isparallel with a length direction LD of the main body portion. When theflexible display panel 120 of the rollable display apparatus 100according to an exemplary embodiment of the present inventive concept isunrolled as shown in FIG. 12, the same image or different images may bedisplayed on both sides of the flexible display panel 120.Alternatively, a screen may be disposed only on one side of the flexibledisplay panel 120.

Further, the flexible display panel 120 may be spirally wound along thefirst direction D1 or the second direction D2. For example, the flexibledisplay panel 120 can be spirally wound along either the first or seconddirection D1 and D2, and the direction can be selected by a user.

FIG. 13 to FIG. 15 illustrate rollable display apparatuses 200 that aredifferent from the above-described rollable display apparatuses inshape. FIG. 13 schematically illustrates a rollable display apparatus200 according to an exemplary embodiment of the present inventiveconcept, FIG. 14 schematically illustrates a rollable display apparatus200 according to an exemplary embodiment of the present inventiveconcept, and FIG. 15 is a cross-sectional view of a flexible displaypanel 220 of the rollable display apparatus 200 of FIG. 14, spirallywound along a first direction D1.

As shown in FIG. 13 to FIG. 15, the rollable display apparatus 200according to an exemplary embodiment of the present inventive conceptincludes a main body portion 210, a flexible display panel 220, asupport portion 230, and an extension portion 240. In an exemplaryembodiment of the present inventive concept, portions that have beendescribed in above-stated exemplary embodiments of the present inventiveconcept will not be further described.

The main body portion 210 according to an exemplary embodiment of thepresent inventive concept may include a through-hole 214 extending alonga length direction LD and through which the flexible display panel 220may penetrate. Further, the main body portion 210 may have a columnshape that extends in the length direction LD.

As shown in FIG. 13 and FIG. 14, the support portion 230 is disposed onone side of the flexible display panel 220, and a magnet 242 may bedisposed in the extension portion 240 extended to the outside of an edgeof the flexible display panel 220 from the support portion 230 asdescribed above. For example, the extension portion 240 may extend tothe outside of an edge of the flexible display panel 220 that extends inthe length direction LD. However, exemplary embodiments of the presentinventive concept are not limited thereto.

One magnet 242 may be extended in the length direction LD according toan exemplary embodiment of the present inventive concept, or a pluralityof magnets 242 may be disposed at substantially regular intervals alongthe length direction LD according to an exemplary embodiment of thepresent inventive concept.

A roller 216 is disposed in the main body portion 210, and the roller216 rotates to spirally wind the flexible display panel 220. As shown inFIG. 15, the flexible display panel 220 spirally wound by rotation ofthe roller 216 may be received in the main body portion 210 and, thus,stored therein.

Although FIG. 13 to FIG. 15 illustrate exemplary embodiments of thepresent inventive concept in which the flexible display panel 220 isreceived in the main body portion 210, the exemplary embodiments of thepresent inventive concept are not limited thereto. The flexible displaypanel 220 may be spirally wound around the surface of the main bodyportion 210 as described in exemplary embodiments of the presentinventive concept.

The flexible display panel 220 according to an exemplary embodiment ofthe present inventive concept can be spirally wound along either thefirst direction D1 or the second direction D2 depending on the rotationdirection of the roller 216. Referring to FIG. 13 to FIG. 15, across-section of the main body portion 210 according to an exemplaryembodiment of the present inventive concept, which is perpendicular tothe length direction LD of the main body portion 210, may have acircular or oval shape so as to spirally wind the flexible display panel220 by the rotation of the roller 216.

The main body portion 210 according to an exemplary embodiment of thepresent inventive concept includes a fingerprint input portion 212 thatcontrols power and driving of a rollable display apparatus 200 byreceiving a fingerprint of a user. Further, the main body portion 210may further include a power source and a controller as in previouslydescribed exemplary embodiments of the present inventive concept.Further, the flexible display panel 220 additionally includes a displayarea and a peripheral area, and a driving circuit chip and a printedcircuit board disposed in the peripheral area that may be connected tothe power source and the controller of the main body portion 210 as inpreviously described exemplary embodiments of the present inventiveconcept.

Hereinabove, the rollable display apparatuses 100 and 200 according toexemplary embodiments of the present inventive concept have beendescribed. According to exemplary embodiments of the present inventiveconcept, the rollable display apparatuses 100 and 200 in whichspiral-winding and spiral-drawing out of the flexible display panels 120and 220 can be performed. Further, the support portions 130 and 230 mayenhance screen display and touch input when the flexible display panels120 and 220 are drawn out (e.g., in a flat position). Additionally, adrawing out direction can be determined depending on a user'spreference, and the flexible display panels 120 and 220 can be firmlyfixed.

While the present inventive concept has been particularly shown anddescribed with reference to exemplary embodiments thereof, it will beapparent to those of ordinary skill in the art that various changes inform and detail may be made thereto without departing from the spiritand scope of the present inventive concept as defined by the followingclaims.

What is claimed is:
 1. A rollable display apparatus comprising: a mainbody portion extending in a first direction and comprising a metallicmaterial; a flexible display panel protruding from an outer surface ofthe main body portion, and including a first edge and a second edgewhich is opposite the first edge, wherein a first end of the flexibledisplay panel is connected to the main body portion; and a plurality ofsupport portions, including an end support portion which is a farthestsupport portion among the plurality of support portions from the mainbody portion, wherein each of the support portions is disposed along thefirst direction which is from the first edge to the second edge of theflexible display panel, wherein each of the support portions includes anextension portion extending from each of the support portion and beyondthe first edge or the second edge of the flexible display panel, and theextension portion includes a magnet that attaches the flexible displaypanel to the main body portion, wherein the flexible display panel ismounted on the outer surface of the main body portion when the flexibledisplay panel is spirally wound, wherein the flexible display panel iswrapped around an edge of the end support portion and continues toextend toward the main body portion such that a second end, opposite tothe first end, of the flexible display panel is connected to the mainbody portion, and wherein the flexible display panel is disposed on bothsurfaces of each of the support portions.
 2. The rollable displayapparatus of claim 1, further comprising a plurality of joint portionsprovided between the respective plurality of support portions.
 3. Therollable display apparatus of claim 2, wherein each of the jointportions includes a multi-joint structure.
 4. The rollable displayapparatus of claim 2, wherein each of the joint portions extends fromthe first edge to the second edge along the first direction.
 5. Therollable display apparatus of claim 2, wherein the flexible displaypanel is disposed on a first surface of each joint portion and a secondsurface, opposite to the first surface, of each joint portion.
 6. Therollable display apparatus of claim 1, wherein there is a plurality ofextension portions, and the plurality of extension portions arerespectively included in each of the plurality of support portions. 7.The rollable display apparatus of claim 6, wherein there is a pluralityof magnets, and the plurality of magnets are respectively disposed ineach of the plurality of extension portions.
 8. The rollable displayapparatus of claim 1, wherein the flexible display panel is spirallywound in two directions.
 9. The rollable display apparatus of claim 1,wherein the main body portion further comprises a fingerprint scanner toscan a fingerprint of a user and to control power of the rollabledisplay apparatus.
 10. The rollable display apparatus of claim 1,wherein a cross-section of the main body portion, which is perpendicularto the first direction of the main body portion, has a polygonal shapehaving rounded corners.
 11. The rollable display apparatus of claim 1,wherein the main body portion comprises a power source portion and acontroller, and the flexible display panel comprises: a display area fordisplaying an image; and a peripheral area that includes a drivingcircuit chip and a flexible printed circuit board for supplying powerfrom the power source portion and an electric signal from the controllerto the display area, and is disposed in the main body portion.
 12. Therollable display apparatus of claim 1, wherein each of the supportportions has stronger rigidity than that of the flexible display panel.13. The rollable display apparatus of claim 1, wherein the plurality ofsupport portions do not directly contact each other.